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Lost cell phone search service

notice

As of Tuesday, September 17, 2024, we will no longer be providing the Lost Cell Phone Search Service.

Prices shown include tax unless otherwise stated.
The amount may differ from the invoice amount due to the calculation of consumption tax.

This is a service that helps you find the approximate location of your mobile phone if you lose it.

  • *Only available to subscribers who have subscribed to this service.
Locate your phone
For customers who have signed up for designated options

Applicable Models

  • All models except:
    Pocket WiFi®, Car Wi-Fi, Battery Wi-Fi, Tablet
  • *For AQUOS Phone ef, AQUOS Phone es, DIGNO DUAL 2, DIGNO DUAL and STREAM, confirmation is only possible by phone.

Application and Fees

  • You can use the "Lost Cell Phone Search Service" by subscribing to any of the following services. There are no usage fees other than the monthly fee for the following services.
Monthly fee
Carry-in device warranty 715円
Carry-in Device Warranty with AppleCare Services From 580 yen
Security Pack 660円
Breakdown relief pack 759円
Breakdown Security Pack-S 550円
Breakdown relief pack light 550円
Smartphone Basic Pack-S 550円

How to use

Check the map Check by phone

You can find the approximate location of your lost phone on a map using your computer or another phone.
If the power is off or the device is out of range, the approximate location of the last communication will be displayed.

Please call the Y!mobile Customer Service Center. An operator will check your location. If your phone is turned off or out of range, we will tell you the approximate location of your last call.

  • * Y!mobile Customer Center will provide guidance via automated voice. If the automated voice cannot provide guidance, an operator will assist you.
  • *If you lose your phone overseas, we will not be able to trace it if your phone is switched off or out of range.
  • *Free from Y!mobile mobile phones.

Check the map

You can find the approximate location of your lost phone on a map using your computer or another phone.
If the power is off or the device is out of range, the approximate location of the last communication will be displayed.

Check the map

Check by phone

Please call the Y!mobile Customer Service Center. An operator will check your location. If your phone is turned off or out of range, we will tell you the approximate location of your last call.

  • * Y!mobile Customer Center will provide guidance via automated voice. If the automated voice cannot provide guidance, an operator will assist you.

●From Y!mobile phone

116

● From other companies' mobile phones, landlines, etc.

0120-921-156

●From overseas (call charges apply)

+81-44-382-0414

  • *If you lose your phone overseas, we will not be able to trace it if your phone is switched off or out of range.
  • *Free from Y!mobile mobile phones.

Notes

  • The "Lost Cell Phone Search Service" cannot find the current location of a lost cell phone if it is out of range, turned off, the line is disconnected, incoming call barring is set, or the phone is lost overseas. (We will tell you the approximate location of the last communication.)
  • The location information we can provide is only approximate, and in the case of base station positioning, there is a positioning error of several hundred meters to several kilometers. In the case of GPS positioning, the positioning error is several meters to several tens of meters. However, the positioning accuracy may be reduced depending on the radio wave conditions of the GPS and base station.
  • If you are unable to receive GPS signals due to poor signal conditions, GPS positioning will not be available. You will be notified by base station positioning.
  • The "Lost Cell Phone Search Service" is available 24 hours a day (except during system maintenance).
  • As a general rule, we will suspend your line after you have finished using this service.
  • If you use the Service for purposes other than those intended, or if the Company deems the Service inappropriate, we may refuse to allow you to use the Service.
  • When GPS positioning is performed, data communication charges may be incurred due to GPS location information notification.

terms of service

When applying, please read the "Lost Cell Phone Search Service Terms of Use."

Terms of Use for Lost Mobile Phone Search Service

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